Two confirmed Colorado cases of hantavirus this year, including one that resulted in death, have prompted state officials to warn against exposure to the respiratory disease carried by deer mice.

More than 90 cases of hantavirus have been documented in the state since the Colorado Department of Public Health and Environment began tracking them in 1993, and about 40 percent of those people died.

Humans can be exposed to hantavirus through deer mouse urine and feces that may appear in and around homes, especially during outbuilding and yard cleanups in early spring and summer. Deer mice differ from common house mice because they have large ears and eyes and white undersides.

Initial symptoms of fever, body aches, headaches and vomiting can, within days, advance to respiratory distress. If individuals suspect they may have contracted the disease, early hospital admission is critical.

If evidence of rodents is found, never vacuum or sweep those areas. Open doors and windows for at least a half hour before cleaning. Spray dust, dirt and droppings with a mix of 1½ cups household bleach to one gallon of water and clean wearing rubber, latex or vinyl gloves.

Eastbound lanes of Interstate 70 were closed Saturday afternoon at Georgetown due to a semitrailer fire, the Colorado Department of Transportation tweeted. The right lane remains closed, while the other lanes have since reopened. Drivers can expect heavy delays, transportation officials said. The fire initially closed both sides of the interstate as smoked crossed the highway. The load on the...